Question

Calcule o valor dessa expressão:
$(\frac{3}{4})^{2} . (-2)^3+ (- \frac{1}{2} )^1$

Answer 1

$(\frac{3}{4})^2.(-2)^3+(-\frac{1}{2})^1=(\frac{9}{16}).(-8)-\frac{1}{2}=\\\\ (\frac{9}{2}).(-1)-\frac{1}{2}=-\frac{9}{2}-\frac{1}{2}=-\frac{10}{2}=-5$